(4R,4aS,7aS,12bS)-3-(cyclopropylmethyl)-7-methylidene-2,4,5,6,7a,
13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,
9-diol; ; 17-(Cyclopropylmethyl)-4,5alpha-epoxy-6-methylenemorphinan-3,14-diol;hydrochloride; 58895-64-0;Nalmefene hydrochloride; hydrochloride; 

2,2'-Bisnalmefene;2,2'-bisnalmefene;2,2'-Bisnalmefene (Nalmefene Impurity);Nalmefene Impurity;(5a)-(5'a)-17,17'-Bis(cyclopropylmethyl)-4,5:4',5'-diepoxy-6,6'-bis(methylene)-[2,2'-bimorphinan]-3,3',14,14'-tetrol;2,2'-Bis(6-deoxo-6-methylenenaltrexone;